Properties
- Melting point:
- 1760C
- Boiling point:
- 389.26°C (rough estimate)
- Density
- 1.1855 (rough estimate)
- refractive index
- 1.6450 (estimate)
- Flash point:
- 11 °C
- storage temp.
- Controlled Substance, -20°C Freezer
- solubility
- Practically insoluble in water, very slightly soluble in ethanol (96 per cent).
- pka
- 7.99±0.10(Predicted)
- form
- Solid
- color
- White to Off-White
- Water Solubility
- 0.15g/L(20 ºC)
Safety Information
- Symbol(GHS)
GHS02,GHS06,GHS08
- Signal word
- Danger
- Hazard statements
- H225-H301+H311+H331-H370
- Precautionary statements
- P210-P280-P301+P310+P330-P302+P352+P312-P304+P340+P311
- Hazard Codes
- Xn,T,F
- Risk Statements
- 22-39/23/24/25-23/24/25-11
- Safety Statements
- 36/37/39-45-36/37-16-7
- RIDADR
- 3249
- HazardClass
- 6.1(b)
- PackingGroup
- III
- HS Code
- 2933530000
- Toxicity
- cat,LD50,oral,230mg/kg (230mg/kg),Drugs in Japan Vol. 6, Pg. 851, 1982.
Use
Mephobarbital, 3-methyl-5-ethyl-5-phenylbarbituric acid (metharbital), is metabolicallyN-demethylated to phenobarbital, which many consider toaccount for almost all of the activity. Its principal use is asan anticonvulsant.